Mountain Hydrangea
Hydrangea serrata 'Kiyosumi'

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Hydrangea (hy-DRAIN-juh) (Info)
Species: serrata (sair-AY-tuh) (Info)
Cultivar: Kiyosumi
Additional cultivar information:(aka Kiyosumi-sawa-ajisai)
» View all varieties of Hydrangeas

Height:

4-6 ft. (1.2-1.8 m)

Spacing:

6-8 ft. (1.8-2.4 m)

Hardiness:

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

Sun Exposure:

Sun to Partial Shade

Danger:

Unknown - Tell us

Bloom Color:

Pink

Red

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Deciduous

Other details:

This plant is attractive to bees, butterflies and/or birds

Average Water Needs; Water regularly; do not overwater

Requires consistently moist soil; do not let dry out between waterings

Soil pH requirements:

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Unknown - Tell us

Propagation Methods:

By dividing the rootball

From softwood cuttings

From semi-hardwood cuttings

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

This plant has been said to grow in the following regions:

Mentone, Alabama

Sellersville, Pennsylvania

Wynnewood, Pennsylvania

North Augusta, South Carolina

Arlington, Tennessee

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Jan 20, 2003, lupinelover from Grove City, OH (Zone 6a) wrote:

The flowers are very unusual on this variety. They are lacecap shape, with red centers, picoteed pink on the outer edges. The foliage has burgundy highlights.